The schematics you've obtained show an underground system of drains and pumps that connect the lakes in the region to Serpent Lake.$B$BIf the schematics are correct, there is a giant drain in the center of Serpent Lake. Confirm this and bring the news to Cenarion Refuge.
Search Serpent Lake for signs of a drain. Return to Ysiel Windsinger at Cenarion Refuge with news of your discovery.
